Serving the Glass and Construction Industry since 1950

Why Choose Us

What We Do

When you call on Colorado Steel Sash, you're working with more than just another vendor. The team at CSS will work with you at every step of the way from initial planning to ongoing consultation, from on-site support to post-project reviews. The role of Colorado Steel Sash is to help you make the best material and product decisions to ensure the success of your project. 

Working Together

As you develop the specs for your next project, or as specs change on an existing project, you're better off if you call in a partner who can help. Colorado Steel Sash will provide assistance in matching the products you specify to the application. We'll look at your objectives and can make suggestions based on quality, technology, and costs. 

We're Your Partner

We are a family owned and operated business with over 60 years of experience in Glass, Glazing and Waterproofing Industry. 


Moreover, the people with the actual experience are the ones working on your project! We are the Northwest's top choice for your construction supply needs.